Implement DRM Native Pixmap using prime buffer

ui/ozone/public/ozone_platform.h

Index: ui/ozone/public/ozone_platform.h
diff --git a/ui/ozone/public/ozone_platform.h b/ui/ozone/public/ozone_platform.h
index f96915959b1b7e4f1adc13e28af34e305c33cb4b..efa03a6cf106751010924632c7eb8c4639b43fe9 100644
--- a/ui/ozone/public/ozone_platform.h
+++ b/ui/ozone/public/ozone_platform.h
@@ -5,7 +5,6 @@
 #ifndef UI_OZONE_PUBLIC_OZONE_PLATFORM_H_
 #define UI_OZONE_PUBLIC_OZONE_PLATFORM_H_
 
-#include "base/files/scoped_file.h"
 #include "base/macros.h"
 #include "base/memory/scoped_ptr.h"
 #include "ui/ozone/ozone_export.h"
@@ -70,9 +69,6 @@ class OZONE_EXPORT OzonePlatform {
       const gfx::Rect& bounds) = 0;
   virtual scoped_ptr<ui::NativeDisplayDelegate>
       CreateNativeDisplayDelegate() = 0;
-  // Open ClientNativePixmap device file for non-GPU processes to import a
-  // ClientNativePixmap.
-  virtual base::ScopedFD OpenClientNativePixmapDevice() const = 0;
 
  private:
   virtual void InitializeUI() = 0;